package org.suk.dp.iterator;

/**
 * Description: 迭代器抽象类<br/>
 * @version V1.0  2017/6/21 16:02  by 石冬冬(dongdong.shi@ucarinc.com) - Heil Hitler
 */
public abstract class Iterator {
    abstract Object first();
    abstract Object next();
    abstract boolean hasNext();
    abstract Object currentItem();
}
